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2 monitors side by side.

6 h a day
  • Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
  • 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.

Yearly running cost

Bars in proportion to the energy each model uses.

  • ADX A34GSR23 €18.73
  • Hgfrtee B340QQU16 €4.96
Model ADX A34GSR23 Hgfrtee B340QQU16
Running cost
Running cost (per year) €18.73 €4.96
over 10 years €187 +€138 over 10 years €50
kWh per year 66.1 17.5
kg CO₂e per year from electricity use 14 3.7
Specifications
Brand ADX Hgfrtee
Model A34GSR23 B340QQU16
Energy class F C
Screen size 34″ (86.3 cm) 34″ (85 cm)
Power in on mode (SDR) 30.2 W 8 W
Energy class (HDR) G –
Power in on mode (HDR) 54.5 W –
Standby 0.2 W 0.1 W
Off mode 0.2 W 0 W
Resolution 3440 × 1440 3440 × 1440
Aspect ratio 21:9 16:9
Panel LCD LCD
Refresh rate 165 Hz 165 Hz
Power supply Internal External
Guaranteed support 9 years 1 year
Software updates 9 years 1 year
Spare parts available 9 years 1 year
On the market since June 30, 2023 March 18, 2026
EPREL registration number 1605420 2665077

Rows where the models differ are highlighted.